Hello!
I think that the volumes of spirit and water were the same, and probably equal to the inner volume of a bottle. Denote this volume as
A volume a mass
and a density
are bounded by the relation
In particular,
and
where is the density of spirit,
is its mass,
is the density of water and
is its mass. Denote also the mass...
Hello!
I think that the volumes of spirit and water were the same, and probably equal to the inner volume of a bottle. Denote this volume as
A volume a mass
and a density
are bounded by the relation
In particular,
and
where is the density of spirit,
is its mass,
is the density of water and
is its mass. Denote also the mass of a bottle as
The masses are actually known: and
So we have two (linear) equations and two unknowns, and
From the second equation
substitute it into the first equation and obtain:
We can use any units for here because
is dimensionless. Therefore:
= (40/50)*1000 = 800
.
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